103140313 has 8 divisors (see below), whose sum is σ = 105326568. Its totient is φ = 100975104.

The previous prime is 103140293. The next prime is 103140329. The reversal of 103140313 is 313041301.

It can be written as a sum of positive squares in 4 ways, for example, as 17614809 + 85525504 = 4197^2 + 9248^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103140313 - 2⁵ = 103140281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103140353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4845 + ... + 15157.

It is an arithmetic number, because the mean of its divisors is an integer number (13165821).

Almost surely, 2^103140313 is an apocalyptic number.

It is an amenable number.

103140313 is a deficient number, since it is larger than the sum of its proper divisors (2186255).

103140313 is a wasteful number, since it uses less digits than its factorization.

103140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103140313 is about 10155.8019378088. The cubic root of 103140313 is about 468.9675738284.

Adding to 103140313 its reverse (313041301), we get a palindrome (416181614).

The spelling of 103140313 in words is "one hundred three million, one hundred forty thousand, three hundred thirteen".